[Commander] #nodejs

commander.js

const program = require('commander')
const path = require('path')

program
  .requiredOption('-w, --workspace <dir>', '工作目录', (val) => path.resolve(__dirname, val))
  .option('-s, --size <size>', '最大并发上传数量', (val, def) => parseInt(val) || def, 10)

program.parse(process.argv)

const {
  workspace,
  size
} = program